on the red carpet

23 Best Pictures From the IHeartRadio Music Awards

Jared Leto, Shakira, Austin Mahone, and others attend the 2014 iHeartRadio Music Awards.

May 2, 2014 | 01:27 PM

The first-ever iHeart Radio Music Awards were held on Thursday at the Shrine Auditorium in Los Angeles.

The show, which aired on over 150 iHeart radio stations across the country, received 60 million votes for several categories, including Song of the Year, Artist of the Year, and Best Fan Army.

Rihanna was the big winner of the night, taking home four awards, including both Artist and Song of the Year for "Pour It Up." Performers at the show included host Pitbull, Luke Bryan, Bastille, 30 Seconds to Mars, Kendrick Lamar, Ariana Grande, Blake Shelton, Ed Sheeran, Shakira, and Arcade Fire.

Celebrities in attendance were Jared Leto, Austin Mahone, Pia Toscano, among many others. Check out the red carpet photos below.   

1. Jared Leto